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    SubjectRe: cerberus errors on 2.4.19 (ide dma related)
    Ok, devfs was removed and I got the old way working again.   cerberus
    reports MEMORY errors when dma is enabled on the promise controller less
    than 30 seconds after the test has begun. Just like every other time
    i've had dma enabled on the promise controller.

    So it's not preempt. It's not devfs. So now we have to face the fact
    that it's either a hardware conflict that linux cannot handle or a
    device driver bug.

    Any other suggestions?

    Now that i'm down to vanilla 2.4.19 perhaps it's time for some real

    On Sun, 2002-08-18 at 05:16, Ed Sweetman wrote:
    > On Sun, 2002-08-18 at 05:10, Alexander Viro wrote:
    > >
    > >
    > > On 18 Aug 2002, Ed Sweetman wrote:
    > >
    > > > (overview written in hindsight of writing email)
    > > > I ran all these tests on ide/host2/bus0/target0/lun0/part1
    > >
    > > Don't be silly - if you want to test anything, devfs is the last thing
    > > you want on the system.
    > >
    > >
    > OK, i can remove devfs, but I dont really see how that would make dma
    > transfers (memory) become corrupted and pio mode transfers (memory) to
    > not.
    > I'm going to remove it, but i dont see how it's going to affect what's
    > going on.

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